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Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block

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* 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block: (65 commits)
  Documentation/iostats.txt: bit-size reference etc.
  cfq-iosched: removing unnecessary think time checking
  cfq-iosched: Don't clear queue stats when preempt.
  blk-throttle: Reset group slice when limits are changed
  blk-cgroup: Only give unaccounted_time under debug
  cfq-iosched: Don't set active queue in preempt
  block: fix non-atomic access to genhd inflight structures
  block: attempt to merge with existing requests on plug flush
  block: NULL dereference on error path in __blkdev_get()
  cfq-iosched: Don't update group weights when on service tree
  fs: assign sb->s_bdi to default_backing_dev_info if the bdi is going away
  block: Require subsystems to explicitly allocate bio_set integrity mempool
  jbd2: finish conversion from WRITE_SYNC_PLUG to WRITE_SYNC and explicit plugging
  jbd: finish conversion from WRITE_SYNC_PLUG to WRITE_SYNC and explicit plugging
  fs: make fsync_buffers_list() plug
  mm: make generic_writepages() use plugging
  blk-cgroup: Add unaccounted time to timeslice_used.
  block: fixup plugging stubs for !CONFIG_BLOCK
  block: remove obsolete comments for blkdev_issue_zeroout.
  blktrace: Use rq->cmd_flags directly in blk_add_trace_rq.
  ...

Fix up conflicts in fs/{aio.c,super.c}
This commit is contained in:
Linus Torvalds
2011-03-24 10:16:26 -07:00
parent 3dab04e697 9d2e157d97
commit 6c51038900
172 changed files with 1538 additions and 2130 deletions
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8
mm/memory-failure.c
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@ -945,7 +945,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn,
collect_procs(ppage, &tokill);
if (hpage != ppage)
lock_page_nosync(ppage);
lock_page(ppage);
ret = try_to_unmap(ppage, ttu);
if (ret != SWAP_SUCCESS)
@ -1038,7 +1038,7 @@ int __memory_failure(unsigned long pfn, int trapno, int flags)
* Check "just unpoisoned", "filter hit", and
* "race with other subpage."
*/
lock_page_nosync(hpage);
lock_page(hpage);
if (!PageHWPoison(hpage)
|| (hwpoison_filter(p) && TestClearPageHWPoison(p))
|| (p != hpage && TestSetPageHWPoison(hpage))) {
@ -1088,7 +1088,7 @@ int __memory_failure(unsigned long pfn, int trapno, int flags)
* It's very difficult to mess with pages currently under IO
* and in many cases impossible, so we just avoid it here.
*/
lock_page_nosync(hpage);
lock_page(hpage);
/*
* unpoison always clear PG_hwpoison inside page lock
@ -1231,7 +1231,7 @@ int unpoison_memory(unsigned long pfn)
return 0;
}
lock_page_nosync(page);
lock_page(page);
/*
* This test is racy because PG_hwpoison is set outside of page lock.
* That's acceptable because that won't trigger kernel panic. Instead,